<template>
<div>
  <!--面包屑导航-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>数据统计</el-breadcrumb-item>
    <el-breadcrumb-item>数据报表</el-breadcrumb-item>
  </el-breadcrumb>

  <el-card>
    <!-- 2 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 750px;height:400px;"></div>
  </el-card>
</div>
</template>

<script>
// 1 导入echars
import echarts from 'echarts';
// 导入设计图表需要合并的数据
import options from "./options";
// 导入lodash进行数据合并
import _ from 'lodash';
export default {
  name: "Report",
  data() {
    return {
      options
    }
  },
  created() {

  },
  async mounted() {
    // 3 基于准备好的dom，初始化echarts实例
    let myChart = echarts.init(document.getElementById('main'));

    const {data: res} = await this.$http.get('reports/type/1');
    if(res.meta.status !== 200) return this.$message.error('获取折线图数据失败')

    // 4 准备数据和选项
    const result = _.merge(res.data, this.options)

    // 5 展示数据
    myChart.setOption(result);
  },
  methods: {

  }
}
</script>

<style scoped>

</style>